Bronchial asthma is a disease that causes a reversible paroxysmal bronchial obstruction. It is characterized by airway hyperresponsiveness to various stimuli.
Causes of disease Bronchial asthma
Bronchial asthma can be triggered by different stimuli.
- The extrinsic or allergic asthma is triggered by specific allergens (house dust, pollen and mold from the air, animal dander), symptoms are associated with immunoglobulin class IgE.
It occurs mainly in children and young subjects.
Occupational asthma is allergic asthma.
- Intrinsic asthma is not inflammatory or allergic. It is the inhalation of irritants (exhaust smells of fresh paint or other substances, cigarette smoke) and infections, sometimes even violent emotions, variations in atmospheric pressure or temperature, the Inhalation of cold air, triggering the crisis.
- Some medications can cause asthma (aspirin, anti-inflammatory drugs, beta blockers, etc..)
- Some angitis (vessel disease) may be proved by asthma.
In practice, these data are very theoretical factors for allergic and nonallergic are often linked.
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The word asthma in Greek means to be breathless.
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